Finding the Fourth Proportional to 17,551,577.14, 26,330,170.53 and 5,418,188.62
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Solution
The fourth proportional to 17,551,577.14, 26,330,170.53 and 5,418,188.62 is: 8,128,148.78
Step by Step Solution
- Step 1: Write the proportion equation
17,551,577.14 : 26,330,170.53 = 5,418,188.62 : x - Step 2: Convert to fraction form
17,551,577.14/26,330,170.53 = 5,418,188.62/x - Step 3: Cross multiply
17,551,577.14x = 26,330,170.53 × 5,418,188.62 - Step 4: Simplify right side
17,551,577.14x = 142,661,830,282,798.16 - Step 5: Solve for x
x = 142,661,830,282,798.16/17,551,577.14 - Step 6: Final answer
x = 8,128,148.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.